//高德坐标转百度（传入经度、纬度）
export const bd_encrypt = (gg_lng, gg_lat) => {
  var X_PI = Math.PI * 3000.0 / 180.0;
  var x = gg_lng, y = gg_lat;
  var z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * X_PI);
  var theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * X_PI);
  var bd_lng = z * Math.cos(theta) + 0.0065;
  var bd_lat = z * Math.sin(theta) + 0.006;
  return {
    bd_lat: bd_lat,
    bd_lng: bd_lng
  };
}


//百度坐标转高德（传入经度、纬度）
export const gd_decrypt = (bd_lng, bd_lat) => {
  var X_PI = Math.PI * 3000.0 / 180.0;
  var x = bd_lng - 0.0065;
  var y = bd_lat - 0.006;
  var z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * X_PI);
  var theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * X_PI);
  var gg_lng = z * Math.cos(theta);
  var gg_lat = z * Math.sin(theta);
  return { lng: gg_lng, lat: gg_lat }
}